JPH11507193A - バルサ木材からなる振動板と、スパイダーと、ホーン又はそれらの混合体を備えた電気音響的拡散用デバイス - Google Patents
バルサ木材からなる振動板と、スパイダーと、ホーン又はそれらの混合体を備えた電気音響的拡散用デバイスInfo
- Publication number
- JPH11507193A JPH11507193A JP9535100A JP53510097A JPH11507193A JP H11507193 A JPH11507193 A JP H11507193A JP 9535100 A JP9535100 A JP 9535100A JP 53510097 A JP53510097 A JP 53510097A JP H11507193 A JPH11507193 A JP H11507193A
- Authority
- JP
- Japan
- Prior art keywords
- balsa wood
- diaphragm
- wood
- cut
- electroacoustic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 240000007182 Ochroma pyramidale Species 0.000 title claims abstract description 35
- 239000000203 mixture Substances 0.000 title claims abstract description 8
- 238000009792 diffusion process Methods 0.000 title claims abstract description 7
- 241000239290 Araneae Species 0.000 title abstract 2
- 239000000835 fiber Substances 0.000 claims description 7
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 238000004581 coalescence Methods 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 10
- 239000002023 wood Substances 0.000 description 8
- 230000004044 response Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 241000218642 Abies Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005515 acousto electric effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/021—Diaphragms comprising cellulose-like materials, e.g. wood, paper, linen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/127—Non-planar diaphragms or cones dome-shaped
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Debarking, Splitting, And Disintegration Of Timber (AREA)
- Stringed Musical Instruments (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. バルサ木材からなる振動板と、バランスと、トランペット又はそれらの混 合体を備え、 サスペンション(1)と、 バルサ木材の三角片からなり、蒸気で折りたたみ、接着し、半径方向に繊維で 位置決めした、円錐台の形をした振動板(2)と、 バルサ木材からなり、中央で接着したコイルで端面で固定したバルサ木のスト ライプにより形成し、木のストライプの弾性で横方向に動かずに、そしてスピー カーの固定部品と干渉しないでコイルを動かすことができるバランス(3)と、 スピーカーの構成要素を支持するためのバスケット(4)と、 上板(5)と、磁石(6)と、コイル(7)と、下板(8)とを備えている電 気音響的構造と、 その軽量性によって高周波振動を伝えるために、バルサ木材を切断し、蒸気と流 体で折り曲げた結合トランペット(11)又は(12)とを備えることを特徴と する電気音響的拡散用デバイス。 2. ドーム形の振動板(9)がバルサ木材からなることを特徴とする請求項1 記載のデバイス。 3. 振動板が、適切に切断したバルサ木材のバールを蒸気で折り曲げて、1ヶ 所で接着して、折り曲げることで繊維を引っ張り状態にすることを特徴とする請 求項1記載のデバイス。 4. 拡散体が、普通に生産する平らな拡散体に類似した、大きな表面を有する 平らな振動板で作製し、前記振動板に接着したコイルによって振動することを特 徴とする請求項1記載のデバイス。 5. 構成要素が、バルサ木材の混合体から得られ、繊維を薄いストライプに切 断し、接着して作製するか又は、バインダーと一緒に粉状のバルサ木材を混合し 、成形し、乾燥したことを特徴とする請求項1記載のデバイス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT96A000208 | 1996-04-02 | ||
IT96RM000208A IT1285103B1 (it) | 1996-04-02 | 1996-04-02 | Dispositivo di diffusione elettroacustico, con diaframmi, centratori e trombe in legno di balsa o suoi impasti. |
PCT/IT1996/000117 WO1997037513A1 (en) | 1996-04-02 | 1996-06-10 | Device for electroacoustic diffusion, with diaphragms, spiders and horns of balsa wood or mixtures thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11507193A true JPH11507193A (ja) | 1999-06-22 |
JP3471364B2 JP3471364B2 (ja) | 2003-12-02 |
Family
ID=11404059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53510097A Expired - Fee Related JP3471364B2 (ja) | 1996-04-02 | 1996-06-10 | バルサ木材からなる振動板と、スパイダーと、ホーン又はそれらの混合体を備えた電気音響的拡散用デバイス |
Country Status (8)
Country | Link |
---|---|
US (1) | US5907133A (ja) |
EP (1) | EP0838125B1 (ja) |
JP (1) | JP3471364B2 (ja) |
AT (1) | ATE400978T1 (ja) |
DE (1) | DE69637590D1 (ja) |
DK (1) | DK0838125T3 (ja) |
IT (1) | IT1285103B1 (ja) |
WO (1) | WO1997037513A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10246792B4 (de) * | 2002-10-08 | 2005-11-10 | Göbel, Oliver | Akustische Vorrichtung |
GB2423908B (en) * | 2005-03-02 | 2008-04-02 | Kh Technology Corp | Loudspeaker |
GB2426884B (en) * | 2005-03-02 | 2008-05-28 | Kh Technology Corp | Electro-acoustic transducer |
US8320604B1 (en) * | 2007-05-02 | 2012-11-27 | Richard Vandersteen | Composite loudspeaker cone |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB667170A (en) * | 1948-10-29 | 1952-02-27 | Paul Gustavus Adolphus Helmuth | Improvements in moving coil loudspeakers |
US2638510A (en) * | 1949-01-06 | 1953-05-12 | Caesar David Zeitouni | Duplex loud-speaker |
US2852089A (en) * | 1955-09-26 | 1958-09-16 | Arthur Blumenfeld | Combined loudspeaker diaphragm and horn |
GB2127650A (en) * | 1982-08-07 | 1984-04-11 | Univ Liverpool | Moving coil loudspeaker |
DE3603537A1 (de) * | 1986-02-05 | 1987-08-06 | Pfleid Wohnraumakustik Gmbh | Breitbandlautsprecher |
JP2690104B2 (ja) * | 1988-05-13 | 1997-12-10 | 加藤 義之 | スピーカ用コーン及び同コーンを備えたスピーカ |
US5329072A (en) * | 1991-05-23 | 1994-07-12 | Yamaha Corporation | Acoustic diaphragm |
JPH06178386A (ja) * | 1992-12-04 | 1994-06-24 | Onkyo Corp | コーンスピーカ用振動板及びその製造方法 |
JP2981360B2 (ja) * | 1993-03-30 | 1999-11-22 | 株式会社ケンウッド | スピーカ構造 |
-
1996
- 1996-04-02 IT IT96RM000208A patent/IT1285103B1/it active IP Right Grant
- 1996-06-10 EP EP96916300A patent/EP0838125B1/en not_active Expired - Lifetime
- 1996-06-10 AT AT96916300T patent/ATE400978T1/de active
- 1996-06-10 DE DE69637590T patent/DE69637590D1/de not_active Expired - Lifetime
- 1996-06-10 US US08/952,523 patent/US5907133A/en not_active Expired - Lifetime
- 1996-06-10 JP JP53510097A patent/JP3471364B2/ja not_active Expired - Fee Related
- 1996-06-10 DK DK96916300T patent/DK0838125T3/da active
- 1996-06-10 WO PCT/IT1996/000117 patent/WO1997037513A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
IT1285103B1 (it) | 1998-06-03 |
DE69637590D1 (de) | 2008-08-21 |
DK0838125T3 (da) | 2008-11-03 |
ITRM960208A1 (it) | 1997-10-02 |
WO1997037513A1 (en) | 1997-10-09 |
US5907133A (en) | 1999-05-25 |
EP0838125B1 (en) | 2008-07-09 |
ATE400978T1 (de) | 2008-07-15 |
JP3471364B2 (ja) | 2003-12-02 |
ITRM960208A0 (ja) | 1996-04-02 |
EP0838125A1 (en) | 1998-04-29 |
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